What powers postofficefinder.org?
Last seen Oct 2026 · 17 technologies across 13 categories
Analytics
Google Analytics
since Jun 2018
CDN
Comment systems
Google Workspace
since Aug 2022
Mailjet
since May 2024
JavaScript libraries
Maps
Miscellaneous
HTTP/3
since Sep 2022
Performance
Cloudflare Rocket Loader
since Oct 2022
Programming languages
Python
since Jun 2018
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jan 2021
UI frameworks
Tailwind CSS
since Apr 2024
Web frameworks
Django
since Sep 2016
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 51% phone
- 49% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.47 / 10 · ranked #6,758,110 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.1 MB · 16 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.26.6.130, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (neutral), DMARC monitor only, CAA
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 1,278,186
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.postofficefinder.org | 15 |
| postofficefinder.org | 13 |